Thursday 31 January 2019

Polar vortex: What is it and how does it happen?

The deep freeze gripping much of the US has been blamed on a polar vortex. Here's what that means.

from BBC News - World https://bbc.in/2Sex5LW

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Watch: Timelapse of supermoon rising over California

A supermoon lights up the sky across the world along with a rare partial lunar eclipse. from BBC News https://ift.tt/q37wglC